CHESTER ZOO bosses are hailing a major milestone after its 'brave little fighter' elephant has made a full recovery from a deadly virus.

Indali Hi Way is believed to be a rare case of an Asian elephant surviving the lethal EEHV illness, also known as elephant endotheliotropic herpesvirus, a deadly virus threatening Asian elephants globally.

A large team of specialists continues to watch her closely as EEHV remains a deadly virus and the zoo conservationists are wary of the possibility the disease might return in the future.

Indali Hi Way has made a remarkable recovery

However, her successful recovery to date is nonetheless a momentous, historic step for Chester Zoo and for global Asian elephant conservation.

Conservationists at the zoo have hailed the ground-breaking developments in early detection and treatment methods – developed in partnership with the Animal and Plant Health Agency and the University of Surrey – which enabled the team to save the young calf.

Keepers, vets and scientists were able to detect the virus earlier than ever before at the zoo in late March, thanks to high-tech, on-site bloodtesting techniques. This enabled specialists to begin treatment before Indali showed any outward signs of illness.

Zoo staff worked around the clock to give Indali intensive treatment when she began to fall ill from the virus

During an intensive two-week period, Indali received round-the-clock care to help her fight for her life, including nine anaesthetic procedures, blood plasma transfusions, interferon therapy, anti-viral medications and immune boosting treatments as well as very large amounts of intravenous fluids.

On April 2, treatments ceased as experts believed she had entered a recovery phase. Now, after closely monitoring her for two months since treatment finished, conservationists at the zoo have declared her recovery complete.

During her recovery phase, keepers at Chester Zoo have been helping Indali and the herd return to a normal daily routine. The team have observed that Indali has benefitted greatly from the comfort of reconnecting with the rest of the close-knit family herd.

Indali is one of the first Asian elephants known to have recovered from the deadly virus

She has spent much of her time with her mum, Sundara, and can often be seen playing with her 18-month-old half-brother, Anjan. The rest of the multi-generational herd also closely supports Indali, including her grandmother, Thi.

EEHV is a major threat to the long-term survival of endangered Asian elephants. Reports of wild elephant fatalities in India, Nepal, Myanmar and Thailand are on the rise. It is known to have caused deaths in nine countries across their native range, as well as in zoo breeding programmes worldwide.

Chester Zoo is all too aware of the effects of EEHV, with the tragic loss of three-year-old Nandita Hi Way and 18-month-old Aayu Hi Way to the virus in October 2018, and three-year-old Hari Hi Way and two-year-old Bala Hi Way in 2015.

It is thought that most Asian elephants carry EEHV, but only young calves tend to develop outward symptoms, typically around weaning age. When they do, it is usually fatal.

Huge progress has been made in recent years in the fight to find an answer to the global crisis. A team from Chester Zoo, the APHA and the University of Surrey – backed by more than £240,000 in public donations to the zoo – have been at the forefront of attempts to find a solution. The ultimate goal is to develop an effective vaccine that could be rolled out worldwide.

Right now that battle is ongoing, but Indali’s recovery - thanks to early detection methods and the team’s development of her potentially ground-breaking treatment programme - is a major milestone in the journey towards solving the crisis for Asian elephants.

Experts say Indali Hi Way has now fully recovered

Dr Mark Pilgrim, chief executive officer at Chester Zoo, said: “Asian elephants are an endangered species and a world without them is unthinkable. We cannot underestimate the threat EEHV poses to their future survival.

"But Indali, wonderful little fighter that she is, and her incredible survival story, has given us enormous hope.

“Her recovery is a major milestone for conservation. Only two years ago, the global search for a solution to the EEHV crisis looked unlikely to bear fruit. Now, there is light at the end of the tunnel.

“Although we are still unable to grow the virus in a lab, our team are exploring new avenues of biomedical science based on characterising the proteins produced by the virus and determining the response to them by the elephant’s immune system. This is bringing us closer to the development of a vaccine.

“We are eternally grateful to the incredible work of the Animal and Plant Health Agency and experts at the University of Surrey, who have been battling against EEHV side-by-side with us for many years now. Indali would not be alive today without this conservation partnership.

“Crucially, we must also thank each and every person and organisation who has donated to the zoo’s Never Forget campaign in recent years. Overwhelming public generosity has contributed more than £250,000 to the research fund, accelerating our progress and getting us closer to a vaccine quicker than we ever thought possible.

"Supporters right across the country are part of this ground-breaking conservation journey.”

Falko Steinbach, professor of veterinary immunology at the School of Veterinary Medicine at the University of Surrey, said: “A lot remains unknown about EEHV; with fewer than 50,000 Asian elephants left in the wild it is important that we find answers.

"Indali’s recovery is wonderful news, and we will use what we have learnt from her case to help us find solutions against this deadly virus to assist the conservation of Asian elephants for future generations.”

Dr Akbar Dastjerdi, head of APHA’s Mammalian Virus Investigation Unit, said: “For 10 years we have been working with Chester Zoo searching for a solution to EEHV. With the help of many devoted scholars, and other contributors such as the University of Surrey, we have been able to develop a way to tackle EEHV thanks to interferon and immune-boosting treatments which have contributed to Indali’s recovery.

"Our efforts are now focused on designing and testing a vaccine to save this irreplaceable species from further suffering.”

Chester Zoo is hosting its third annual Summer Stampede fundraising event on Sunday, August 11, 2019. Supporters at the zoo and across the country are invited join in a nationwide sponsored walk, raising money for the Never Forget campaign, which continues to fund EEHV research. To register, visit www.chesterzoo.org/events/summer-stampede-2019.

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